202000122222001 has 2 divisors, whose sum is σ = 202000122222002. Its totient is φ = 202000122222000.

The previous prime is 202000122221959. The next prime is 202000122222077. The reversal of 202000122222001 is 100222221000202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119137770750625 + 82862351471376 = 10915025^2 + 9102876^2 .

It is a cyclic number.

It is not a de Polignac number, because 202000122222001 - 2⁴⁵ = 166815750133169 is a prime.

It is not a weakly prime, because it can be changed into another prime (202000122222401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000061111000 + 101000061111001.

It is an arithmetic number, because the mean of its divisors is an integer number (101000061111001).

Almost surely, 2^{202000122222001} is an apocalyptic number.

It is an amenable number.

202000122222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

202000122222001 is an equidigital number, since it uses as much as digits as its factorization.

202000122222001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202000122222001 its reverse (100222221000202), we get a palindrome (302222343222203).

The spelling of 202000122222001 in words is "two hundred two trillion, one hundred twenty-two million, two hundred twenty-two thousand, one".